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Finding the Fourth Proportional to 39,992.40, 59,940.60 and 16,606.80

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Solution

The fourth proportional to 39,992.40, 59,940.60 and 16,606.80 is: 24,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.40 : 59,940.60 = 16,606.80 : x
  2. Step 2: Convert to fraction form
    39,992.40/59,940.60 = 16,606.80/x
  3. Step 3: Cross multiply
    39,992.40x = 59,940.60 × 16,606.80
  4. Step 4: Simplify right side
    39,992.40x = 995,421,556.08
  5. Step 5: Solve for x
    x = 995,421,556.08/39,992.40
  6. Step 6: Final answer
    x = 24,890.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.